WiFi Door Sensor Real Time Window Alarm Compatible With Alexa

1 Intelligent Wi-Fi door and window detector for daily-security. 2 Supports remotely send alarm. When the door or window is opened illegally, the detector would send alarm signals to your smartphone. 3 Powered by button cell with long service life, low energy consumption. 4 Wide application, can be installed on doors, window, safes, drawers, ect. 5 Easy installation, no tools required, just stick on the places you need.Features:
Intelligent Wi-Fi door and window detector for daily-security.
Supports remotely send alarm. When the door or window is opened illegally, the detector would send alarm signals to your smartphone.
Powered by button cell with long service life, low energy consumption.
Wide application, can be installed on doors, window, safes, drawers, ect.
Easy installation, no tools required, just stick on the places you need.
Specifications:
Material: plastics
Color: white
Working voltage: 3V
Quiescent current: <=8 A
Transmission distance: 25-35mm
Low voltage alarm: 2.2-2.4V
Coding format: 1527
Emission frequency: 433MHz
Power supply: CR2450 button cell
Working environment: -10~50
Package size: 90 x 50 x 25mm / 3.54 x 1.97 x 0.98in
Package weight: 50g / 1.76ounces
Package List:
1 x Intelligent Door Detector Set
1 x User Manual

What's in the box
1 x Intelligent Door Detector Set, 1 x User Manual